// startSession creates a session with ACS and handles requests from ACS
// It also tries to repeatedly connect to ACS when disconnected
func startSession(ctx context.Context, args StartSessionArguments, backoff *utils.SimpleBackoff, acsResources sessionResources) error {
for {
acsError := startSessionOnce(ctx, args, backoff, acsResources)
select {
case <-ctx.Done():
return ctx.Err()
default:
}
if acsError == nil || acsError == io.EOF {
backoff.Reset()
} else {
seelog.Infof("Error from acs; backing off, err: %v", acsError)
args.time().Sleep(backoff.Duration())
}
}
}
// startSession creates a session with ACS and handles requests from ACS
// It also tries to repeatedly connect to ACS when disconnected
func startSession(ctx context.Context, args StartSessionArguments, backoff *utils.SimpleBackoff, acsResources sessionResources) error {
for {
acsError := startSessionOnce(ctx, args, backoff, acsResources)
select {
case <-ctx.Done():
return ctx.Err()
default:
}
if acsError == nil || acsError == io.EOF {
backoff.Reset()
} else if strings.HasPrefix(acsError.Error(), "InactiveInstanceException:") {
seelog.Debug("Container instance is deregistered, notifying listeners")
err := args.DeregisterInstanceEventStream.WriteToEventStream(struct{}{})
if err != nil {
seelog.Debugf("Failed to write to deregister container instance event stream, err: %v", err)
}
} else {
seelog.Infof("Error from acs; backing off, err: %v", acsError)
args.time().Sleep(backoff.Duration())
}
}
}